Item Description: Nombre: Contador Geiger Probador de radiacin ionizante XR1 BR-9B Material: ABS Color: negro, blanco Model: BR-9B Screen size: 57 * 43mm / 2.2 * 1.7in Sensor type: energy compensation type GM tube Detectable types: Beta, Gamma, X-ray Energy range: 20kev3.0mev30%(137Cs-) Sensitivity: 80cpm/sv/(Co-60) Test accuracy: 0.01sv/h Real-time range: 0-99.99sv/h Cumulative range: 0-99.999msv Real-time error: 10% Mean error: 3% Battery: 3 * AA 1.5V battery or 3 * 1.2V rechargeable battery (not included) Charging: USB 5V 2A input Charging time: 4 hours Feature: 1.High sensitivity, wide measuring range, has a long service life. 2.Smaller body, larger screen, clearer measurement data and easier operation. 3.Can be applied to material inspection, environmental test, radiology protection, radiopharmaceutical screening, etc. 4.With mute, alarm, particle sound selection button, test, mean value reset retest selection button, backlight can be turned on or off. 5.If there is any problem with the product, please feel free to contact us, we will give you a satisfactory answer within 24 hours. Package Included: 1 * Nuclear Radiation /span> 1 * User Manual